Databases & Storage
Column-Oriented Storage and Data Warehouses
Column-oriented storage stores each column separately on disk instead of each row, making analytical queries on massive datasets orders of magnitude faster.
Columnar DatabaseRow-oriented DatabaseOLAP (Online Analytical Processing)OLTP (Online Transaction Processing)Data WarehouseData Compression (Run-length encoding, Delta encoding, Dictionary encoding)Vectorized Query ProcessingZone MapsApache ParquetData Partitioning
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Column-Oriented Storage and Data Warehouses - System Design Diagram
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